Reading Psalmodia (PDF) - St. Anthony's Monastery

) For downward movement:Apostrophos uApostropheElaphron i LightYporrhoi o CascadeHamili p Lowc) For no movement:Ison w Leveld) Combined signs for larger intervals:Seventh up @ down #Octave up C down $Ninth up í down pCombinations are created in the same way for still larger intervals, though in Psalmodiathese are very rare.The Execution of Interval SignsBesides indicating the interval the voice is to move, the Interval Signs also indicate themanner in which the note is to be sung:Unless otherwise indicated (eg by a time-sign) each note is one rhythmic beat in length.[The Cascade is a notable exception: the Yporrhoi instructs us to sing two successivenotes, each a second lower than the preceding note. Each note of the Cascade is a singlerhythmic beat in length.]The Step [ w ], the Flutter [e ] and the Double Stitch [r ] all indicate a rise of a second.The Stitch [t ] indicates a rise of a third when written below or after a Step [c wt], butif written above the Step or the Flutter [ ; A ] combines with that note to indicate a riseof a fourth.The Leap [y ] of itself indicates a rise of a fourth, but is only found in combination.Written above the middle or end of a Step or a Flutter, it combines to indicate a rise of afifth, written above the beginning of a Step or Flutter, a rise of a sixth.The Apostrophe [u ] indicates a fall of a second.The Light [ i ] indicates a fall of a third.10